Removal

Fig. 8 Hub & wheel bearing assembly exploded view. Shown w/manual locking hub:

Fig. 9 Automatic (free wheeling) locking hub:

1. Remove wheel and tire assembly, then remove brake caliper assembly leaving brake hose connected. Suspend caliper assembly from frame using a wire hook to prevent damage to brake hose.
2. Place hub in free position, then remove free wheeling hub cover. On models with automatic locking hubs, ensure hub is in "free wheeling" position by placing transfer case lever in 2H position and moving in reverse 4-7 feet. If cover cannot be removed by hand, loosen cover with suitable strap wrench, taking care not to damage cover.
3. Remove snap ring securing drive axle, then the adjusting shims.
4. Remove free wheeling hub assembly from front hub, using tool MD998360 or equivalent to remove bolts securing automatic locking hub.

Fig. 10 Spindle nut removal & installation:

5. Remove lock washer, then remove hub locknut using tool No. MB990954.
6. Pull front hub with brake disc from knuckle, using care not to drop outer wheel bearing inner race.
7. Remove grease from inside front hub, then using a suitable drift, drive bearing races from hub.
8. Place alignment marks on brake disc and hub, then separate hub and disc as necessary.